Speed Queen TC5000WN (Top Load) – Drive motor capacitor failure Repair Guide

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🔩 Drive motor capacitor failure Repair Guide for Speed Queen TC5000WN (Top Load)

💡 Don’t panic! Drive motor capacitor failure on your Speed Queen TC5000WN (Top Load) is a common issue that many DIY enthusiasts can fix themselves. This comprehensive guide will walk you through the repair process step by step.

📋 What You’ll Need

  • Motor capacitor
  • Multimeter with capacitance mode

    • ⚠️ Safety First

    Before you begin, always:

    • Unplug the washing machine from power
    • Turn off water supply valves
    • Allow the machine to cool down if it was recently running
    • Have a clean, well-lit workspace

      • 🔧 Step-by-Step Repair Instructions

      ⚡

      🔧 Step 1: Test capacitance with multimeter

      1. Unplug the washer from the wall outlet and wait 5 minutes for the capacitor to discharge residual electricity.
      2. Remove the rear access panel by unscrewing six #2 Phillips-head screws – three along the top edge and three along the bottom edge, spaced approximately 8 inches apart.
      3. Locate the capacitor mounted on the motor housing, approximately 12 inches from the bottom of the cabinet and 6 inches from the right side panel – it’s a cylindrical silver or black component, roughly 2 inches in diameter and 3 inches tall, with two metal terminal tabs on top.
      4. Identify the capacitance rating printed on the capacitor body – for the TC5000WN, you’ll see “15-20 µF” (microfarads) and “370V AC” in white or yellow text.
      5. Discharge the capacitor by touching a 20,000-ohm 5-watt resistor across both terminals simultaneously for 3 seconds, or use an insulated screwdriver to briefly bridge the terminals.
      6. Set your digital multimeter to the capacitance testing mode (marked “CAP” or with a capacitor symbol: ─||─).
      7. Select the 20 µF range on the multimeter dial.
      8. Disconnect both wire terminals from the capacitor by pulling the spade connectors straight off – the wire colors are typically brown and purple.
      9. Touch the multimeter’s red probe to one terminal and the black probe to the other terminal – polarity doesn’t matter for this test.
      10. Read the display value after 2-3 seconds when the reading stabilizes – a functional capacitor will show between 15-20 µF.
      11. If the reading shows 0 µF, infinite, or falls below 13 µF, the capacitor has failed and requires replacement with part number W10662129.
      12. If the reading is within 15-20 µF range, the capacitor is functional – reconnect the wire terminals with the spade connectors pushed firmly until they seat completely against the terminal base.

      🛠️ Step 2: Check capacitor rating

      1. Locate the capacitor you accessed in Step 1, mounted on the motor housing approximately 8 inches below the top of the washer cabinet.
      2. Look for the white or silver cylindrical component, roughly 2 inches in diameter and 4 inches tall, with a metal mounting bracket securing it to the motor.
      3. Identify the label printed on the side of the capacitor – rotate the capacitor housing if needed to read the specifications clearly.
      4. Read the capacitance rating printed on the label, which will show a number followed by “MFD” or “µF” (microfarads) – the Speed Queen TC5000WN requires a **25 MFD** capacitor.
      5. Verify the voltage rating printed directly below the capacitance value – it must read **370V AC** or higher (440V AC capacitors also work).
      6. Check for a tolerance rating, typically shown as “±5%” or “±6%” after the capacitance value – this indicates acceptable variance from the rated value.
      7. Examine the capacitor body for physical damage: look for bulging at the top or bottom, rust stains, oil leakage, or cracks in the casing.
      8. If you have a multimeter with capacitance testing capability, set it to the capacitance (F) setting and select the 200 µF range.
      9. Touch the red probe to the terminal marked “C” (common) and the black probe to the terminal marked “HERM” – the reading should fall between 23.75 and 26.25 MFD (within the ±5% tolerance).
      10. Move the black probe to the “FAN” terminal while keeping the red probe on “C” – verify this also reads within the acceptable range.
      11. Record both readings on paper – values outside the tolerance range or physical damage mean the capacitor requires replacement with part number **W11191960** (genuine Speed Queen replacement).

      ⚙️ Step 3: Replace capacitor if out of spec

      1. Purchase a replacement capacitor rated at 16µF ±5% at 370VAC (Speed Queen part number 510016P or universal equivalent with 1/4″ spade terminals).
      2. Locate the old capacitor—a cylindrical silver or black metal component approximately 2 inches tall and 1.5 inches in diameter, mounted on the motor housing at the rear-right side of the washer tub.
      3. Note the wire configuration: two wires connect to the top terminals of the capacitor using 1/4″ spade connectors, typically one brown and one purple wire.
      4. Grip the first spade connector at its plastic housing (not the wire) and pull straight up with firm, steady pressure until it releases from the capacitor terminal.
      5. Repeat for the second spade connector, pulling straight upward.
      6. Identify the capacitor mounting bracket—a metal U-shaped clip or single bolt holding the capacitor to the motor housing.
      7. If bracket-mounted: squeeze the metal tabs on opposite sides of the bracket and slide the capacitor downward out of the clip.
      8. If bolt-mounted: use a 5/16″ nut driver or socket to remove the single mounting bolt (turn counterclockwise 4-5 full rotations), then lift the capacitor away.
      9. Position the new capacitor in the mounting bracket with terminals facing upward, matching the orientation of the old capacitor.
      10. For bracket mount: push upward until the bracket clips engage with an audible snap. For bolt mount: thread the bolt clockwise by hand, then tighten with the 5/16″ tool until snug (approximately 35-40 inch-pounds—firm hand pressure, do not overtighten).
      11. Push the first spade connector onto the corresponding capacitor terminal until it bottoms out against the terminal base—you’ll feel resistance stop.
      12. Push the second spade connector onto the remaining terminal until fully seated.
      13. Attempt to pull each connector off gently—properly installed connectors will resist removal and feel firmly attached.

      🔩 Step 4: Test motor start

      1. Locate the motor at the bottom center of the washer tub, approximately 8 inches from the front panel.
      2. Find the motor start capacitor, a cylindrical component measuring roughly 2 inches in diameter and 4 inches tall, mounted to the motor housing with a metal bracket.
      3. Identify the two spade terminals on top of the capacitor—one labeled “C” (common) and one labeled “START.”
      4. Set your multimeter to the AC voltage setting at 240V range.
      5. Plug the washer back into the wall outlet and turn the power on at the main switch.
      6. Touch the black multimeter probe to any metal part of the motor housing to establish ground.
      7. Select any normal wash cycle using the control panel and press START.
      8. Immediately touch the red multimeter probe to the “START” terminal on the capacitor as the motor attempts to start.
      9. Observe the voltage reading during the first 2-3 seconds of the start cycle—you should see 110-120 VAC on the display.
      10. If voltage reads 110-120 VAC but the motor doesn’t rotate, the motor windings or bearings have failed; proceed to motor replacement.
      11. If voltage reads 0-10 VAC, the motor start relay or timer control has failed; test the relay located on the main control board at the top rear of the cabinet.
      12. If the motor starts and runs but makes clicking or grinding sounds, stop the test immediately and inspect the motor shaft and bearings for wear.
      13. Allow the motor to run for 30 seconds while listening for consistent operation—successful start will produce a steady hum without fluctuation.
      14. Press STOP/PAUSE to end the cycle and unplug the washer before proceeding to the next diagnostic step.

      đź“‹ Step 5: Verify proper operation

      1. Restore electrical power by flipping the dedicated 20-amp circuit breaker to the ON position in your electrical panel.
      2. Turn both water supply valves (hot and cold) counterclockwise until fully open—you should rotate each valve handle approximately 3-4 complete turns.
      3. Press the power button located at the top center of the control panel to turn on the washer.
      4. Rotate the cycle selector knob clockwise to the “Normal/Eco” setting, which you’ll find at the 12 o’clock position on the dial.
      5. Select “Cold” water temperature using the temperature selector button on the right side of the control panel.
      6. Press the START/PAUSE button once—you’ll hear a single beep confirming the cycle has begun.
      7. Observe the washer filling with water through the door glass for 45-60 seconds—water should enter steadily without leaking from any connections you worked on.
      8. Check underneath the washer with a flashlight, examining all connection points you serviced for water drips or pooling.
      9. Allow the washer to agitate for 2-3 minutes—the agitator should rotate back and forth smoothly without grinding, squealing, or unusual vibration.
      10. Press START/PAUSE to stop the cycle, then rotate the selector knob counterclockwise to the “Drain/Spin” position at the 6 o’clock position.
      11. Press START/PAUSE again—the tub should begin draining within 10 seconds.
      12. Listen for the drain pump motor running—it produces a steady humming sound located at the bottom right rear of the machine.
      13. Watch through the door as water level drops completely within 2-3 minutes.
      14. Observe the spin cycle beginning automatically after drainage completes—the tub should accelerate smoothly to full speed within 30 seconds without excessive shaking or walking.
      15. Press START/PAUSE to stop the spin cycle after 30 seconds of full-speed operation.
      16. Turn off the washer using the power button.

      đź’ˇ Pro Tips

      Take photos as you disassemble components – they’ll be invaluable when putting everything back together. If you encounter resistance or something doesn’t seem right, stop and reassess rather than forcing it.

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